Package com.yahoo.searchlib.aggregation
Class MinAggregationResult
- java.lang.Object
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- com.yahoo.vespa.objects.Selectable
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- com.yahoo.vespa.objects.Identifiable
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- com.yahoo.searchlib.expression.ExpressionNode
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- com.yahoo.searchlib.aggregation.AggregationResult
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- com.yahoo.searchlib.aggregation.MinAggregationResult
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- All Implemented Interfaces:
Serializable
,Cloneable
public class MinAggregationResult extends AggregationResult
This is an aggregated result holding the minimum result of the matching hits.- Author:
- baldersheim, Simon Thoresen Hult
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static int
classId
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Constructor Summary
Constructors Constructor Description MinAggregationResult()
Constructs an empty result node.MinAggregationResult(SingleResultNode min)
Constructs an instance of this class with given min value.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description MinAggregationResult
clone()
protected boolean
equalsAggregation(AggregationResult obj)
SingleResultNode
getMin()
Returns the minimum value found in all matching hits.ResultNode
getRank()
Returns a value that can be used for ranking.protected void
onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
protected int
onGetClassId()
protected void
onMerge(AggregationResult result)
Mmust be implemented by subclasses to support merge.protected void
onSerialize(com.yahoo.vespa.objects.Serializer buf)
MinAggregationResult
setMin(SingleResultNode min)
Sets the minimum value found in all matching hits.void
visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
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Methods inherited from class com.yahoo.searchlib.aggregation.AggregationResult
equalsExpression, getExpression, getResult, getTag, merge, onExecute, onPrepare, postMerge, setExpression, setTag
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Methods inherited from class com.yahoo.searchlib.expression.ExpressionNode
equals, execute, executeIterative, onArgument, prepare
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Constructor Detail
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MinAggregationResult
public MinAggregationResult()
Constructs an empty result node. NOTE: This instance is broken until non-optional member data is set.
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MinAggregationResult
public MinAggregationResult(SingleResultNode min)
Constructs an instance of this class with given min value.- Parameters:
min
- The initial minimum to set.
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Method Detail
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getMin
public final SingleResultNode getMin()
Returns the minimum value found in all matching hits.- Returns:
- The value.
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setMin
public final MinAggregationResult setMin(SingleResultNode min)
Sets the minimum value found in all matching hits.- Parameters:
min
- The value.- Returns:
- This, to allow chaining.
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getRank
public ResultNode getRank()
Description copied from class:AggregationResult
Returns a value that can be used for ranking.- Specified by:
getRank
in classAggregationResult
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onGetClassId
protected int onGetClassId()
- Overrides:
onGetClassId
in classAggregationResult
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onSerialize
protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)
- Overrides:
onSerialize
in classAggregationResult
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onDeserialize
protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
- Overrides:
onDeserialize
in classAggregationResult
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onMerge
protected void onMerge(AggregationResult result)
Description copied from class:AggregationResult
Mmust be implemented by subclasses to support merge. It is called as theAggregationResult.merge(AggregationResult)
method is invoked.- Specified by:
onMerge
in classAggregationResult
- Parameters:
result
- the result to merge with
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equalsAggregation
protected boolean equalsAggregation(AggregationResult obj)
- Specified by:
equalsAggregation
in classAggregationResult
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clone
public MinAggregationResult clone()
- Overrides:
clone
in classAggregationResult
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visitMembers
public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
- Overrides:
visitMembers
in classAggregationResult
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